Since BLCMM is a Java-based tool, an outdated or missing Java Runtime Environment (JRE) can cause unexpected file handling errors. Make sure you have the latest version of Java installed.
If the mod downloaded as a .zip or .rar archive, extract it first.
: Ensure that the file you're selecting is in the correct format as required by the "blcmm" tool or command. Check the documentation for specifications.
"BLCMM Invalid File Selected" error typically occurs when the Borderlands Community Mod Manager (BLCMM) cannot correctly locate or recognize the game's executable ( cap E cap X cap E
Open BLCMM, go to File -> Import , and select your text file there. 5. Update BLCMM blcmm invalid file selected
Go to File -> Open -> Select the mod, go to Setup -> Set File Path .
: BLCMM often checks for a directory named "steam" within the game's file path. If your game is installed on a different drive or through a service like Epic Games, it may trigger an error.
Below is a detailed breakdown of the causes, diagnostics, and solutions.
Did this error happen while or while loading a specific mod file ? Are you playing via Steam or the Epic Games Store ? Since BLCMM is a Java-based tool, an outdated
C:\Program Files (x86)\Steam\steamapps\common\BorderlandsPreSequel\Binaries\Win32\BorderlandsPreSequel.exe 2. Incorrect Mod File Extension
: Many modding tools, including BLCMM, rely on Gearbox's official "hotfix" mechanisms to function. Cracked or pirated versions of Borderlands often cannot run mods properly. Similarly, the Russian-localized version of Borderlands 2 is known to be incompatible with current patching methods.
Corrupted or missing game files can often be the culprit behind BLCMM errors. If your game is installed through Steam, you can verify the integrity of your game files to ensure everything is in order.
BLCMM often requires the Borderlands game files to be located within a folder structure that includes the word "steam" to function correctly, even if you are not using the Steam version of the game. : Ensure that the file you're selecting is
BLCMM is looking for the actual game executable ( Borderlands2.exe or BorderlandsPreSequel.exe ) but you accidentally targeted a shortcut, a launcher, or the wrong folder.
Re-download the mod from the original source (e.g., GitHub or Nexus Mods).
Instead of letting BLCMM try to "Fix" your game files, use the standalone Hex Multitool. and run the Hex Multitool.
This fixes 90% of instances related to game launching.
are you trying to mod? ( Borderlands 2 or The Pre-Sequel ?)